Which table represents an expinential function?

The table with the y values of 1, 4, 16, 64, and 256 represent an exponential function.

This table shows an exponential function. This is easily seen by looking at the values of y. As you go down the rows of the y-values, you notice that the numbers are being multiplied by the value of 4.

1 x 4 = 16

16 x 4 = 64

64 x 4 = 256.